Noise Margin
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- Re: Noise Margin
Re: Noise Margin
24-12-2009 2:01 PM
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You could try using something like routerstats to force a lower target SNR, but I'd leave that until you know everything is stable. Running that would probably be the best way to tell if there's been any changes to the line, thinking about it.
Hope that helps,
Re: Noise Margin
24-12-2009 3:18 PM
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Re: Noise Margin
24-12-2009 3:31 PM
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Re: Noise Margin
24-12-2009 3:34 PM
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Re: Noise Margin
24-12-2009 3:43 PM
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Re: Noise Margin
24-12-2009 4:11 PM
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Re: Noise Margin
24-12-2009 4:32 PM
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Re: Noise Margin
24-12-2009 4:36 PM
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Re: Noise Margin
24-12-2009 10:28 PM
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You have a 15dB Target as you could see from the stats you took immediately after the sync as I said (there is no need for tests) - anyway Matt also confirmed that.
If you hold that current sync speed, you will get a 4M profile in due course. I would suggest you leave the modem/router on 24/7 and do not reboot at all at the moment to see if you can hold that sync speed.
Reason for not rebooting - look at those recent stats you posted yesterday evening - your Noise Margin has dropped to 8dB which means you have a lot of noise there. Keep listening to your phone line to make sure it isn't a voice fault.
The cordless phone - if it's a recent one, it's most likley to be a DECT, if it's an old one it could be analogue - yuk.
Which ever, either on a plug in extension is not a brilliant idea. Cordless phones can cause interference and on plug in extension leads could radiate the noise nicely, actually not nice. Monitor your stats and watch the noise margin figure - switch off the base station and the handset, don't unplug anything, wait a minute or two and see if there is any significant change in the noise margin.
What if anything is different about your installation now compared to when you were with Sky? Did you have that plug in extension, or the Cordless phone?
I also suggest you download RouterStatsLite from here http://www.vwlowen.co.uk/files/RouterStatsLite57-Setup.exe - that's a windows self installer version, although it doesn't actually install into windows as such (no registry entries), just choose the directory where you want it, it just makes it all easy to install.
Set it up for your 2700 and on the Graphs tab set it to sample every 8 seconds & 900 point per page, on the Capture Tab make sure all the boxes are ticked, & define the folder - suggest the same on as where you installed the program, on the Log tab tick enable and define the full path and filename, comma separated values, Log top status line and log every 4 samples. On the System Tab, tick Minimise to system tray, Prompt before closing, Show noise margin on tray icon, & Show tooltip hints only.
Leave all other tabs as default settings.
Post some Noise margin graphs, from daytime when the margin is high, also evening or any other time you see the margin low.
Re: Noise Margin
25-12-2009 7:55 AM
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Re: Noise Margin
28-12-2009 7:00 PM
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Re: Noise Margin
30-12-2009 12:45 PM
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Re: Noise Margin
30-12-2009 1:51 PM
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Is your line stable now?
Are you still trying to gain more speed?
Re: Noise Margin
30-12-2009 2:17 PM
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Re: Noise Margin
01-01-2010 10:10 AM
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